20143007 has 2 divisors, whose sum is σ = 20143008. Its totient is φ = 20143006.

The previous prime is 20142959. The next prime is 20143027. The reversal of 20143007 is 70034102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20143007 - 2⁸ = 20142751 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20143027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071503 + 10071504.

It is an arithmetic number, because the mean of its divisors is an integer number (10071504).

Almost surely, 2^20143007 is an apocalyptic number.

20143007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20143007 is an equidigital number, since it uses as much as digits as its factorization.

20143007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 20143007 is about 4488.0961442465. The cubic root of 20143007 is about 272.0871936072.

Adding to 20143007 its reverse (70034102), we get a palindrome (90177109).

The spelling of 20143007 in words is "twenty million, one hundred forty-three thousand, seven".